Zenith DVB352, Service Manual

Page: 18 / 71

3-8
D
Yes
Yes
No No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Focus ON OK?
Track On OK?
Disc is play?
E
Proper
signals on A, B, C,
D of MT1336
Check connections between
MT1336 and pick-up head.
Proper FEO signal
on MT1336?
Proper FEO signal
on MT1336?
Check the related circuit
on MT1336 FEO sugnal .
Check the related
circuit on MT1336
Properly TRSO signal
on MT1379?
T+ & T- output
properly?
Check the TRSO connection
on MT1379 and motor dirver.
Check the tracking control
amp circuit on motor driver.
Check cable connection on
pick-up head.
Check RF signal waveform.
Check FEO connection
between MT1336 and MT1379